標(biāo)準(zhǔn)解讀

《GB/T 45027-2024 液氫閥門(mén) 通用規(guī)范》是針對(duì)液氫閥門(mén)設(shè)計(jì)、制造、檢驗(yàn)和使用過(guò)程中的技術(shù)要求制定的標(biāo)準(zhǔn)。該標(biāo)準(zhǔn)適用于液氫系統(tǒng)中使用的各種類(lèi)型的閥門(mén),包括但不限于截止閥、調(diào)節(jié)閥、止回閥等。標(biāo)準(zhǔn)內(nèi)容涵蓋了材料選擇、結(jié)構(gòu)設(shè)計(jì)、密封性能、操作特性、安全防護(hù)措施等多個(gè)方面。

在材料選擇上,《GB/T 45027-2024》規(guī)定了用于制造液氫閥門(mén)的金屬與非金屬材料必須能夠承受低溫環(huán)境下的工作條件,并且不會(huì)因?yàn)闇囟茸兓a(chǎn)生脆性斷裂或其他形式的損壞。此外,還強(qiáng)調(diào)了對(duì)材料進(jìn)行適當(dāng)處理以確保其具有良好的耐腐蝕性和足夠的強(qiáng)度。

對(duì)于閥門(mén)的設(shè)計(jì),《GB/T 45027-2024》提出了具體的要求,比如需要考慮到液氫介質(zhì)的特殊性質(zhì)(如易燃易爆),以及在極端低溫條件下工作的能力。同時(shí),也明確了不同類(lèi)型閥門(mén)的基本尺寸參數(shù)及其允許偏差范圍。

關(guān)于密封性能,《GB/T 45027-2024》詳細(xì)描述了如何通過(guò)壓力測(cè)試來(lái)驗(yàn)證閥門(mén)在關(guān)閉狀態(tài)下能否有效阻止液體或氣體泄漏的方法。這包括了試驗(yàn)的壓力等級(jí)、持續(xù)時(shí)間及合格標(biāo)準(zhǔn)等信息。

在安全防護(hù)方面,本標(biāo)準(zhǔn)特別指出所有涉及液氫操作的設(shè)備都應(yīng)具備防止超壓、過(guò)熱等功能的安全裝置,并建議采用冗余設(shè)計(jì)提高系統(tǒng)的整體安全性。此外,還提到了安裝位置的選擇原則,以避免外部因素對(duì)閥門(mén)造成損害。


如需獲取更多詳盡信息,請(qǐng)直接參考下方經(jīng)官方授權(quán)發(fā)布的權(quán)威標(biāo)準(zhǔn)文檔。

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19

中華人民共和國(guó)國(guó)家標(biāo)準(zhǔn)

GB/T45027—2024

液氫閥門(mén)通用規(guī)范

Valvesforliquidhydrogen—Generalspecification

2024-12-31發(fā)布2025-04-01實(shí)施

國(guó)家市場(chǎng)監(jiān)督管理總局發(fā)布

國(guó)家標(biāo)準(zhǔn)化管理委員會(huì)

GB/T45027—2024

目次

前言

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1

范圍

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1

2

規(guī)范性引用文件

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1

3

術(shù)語(yǔ)和定義

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2

4

技術(shù)要求

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3

4.1

基本要求

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3

4.2

材料

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3

4.3

結(jié)構(gòu)設(shè)計(jì)

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5

4.4

常溫性能

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10

4.5

低溫性能

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13

5

試驗(yàn)方法

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14

5.1

試驗(yàn)條件

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14

5.2

材料

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15

5.3

結(jié)構(gòu)設(shè)計(jì)

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16

5.4

脫脂檢查

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16

5.5

常溫性能

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16

5.6

低溫性能

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20

5.7

標(biāo)志檢查

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28

6

檢驗(yàn)規(guī)則

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28

6.1

出廠檢驗(yàn)

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28

6.2

型式試驗(yàn)

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28

7

標(biāo)志

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30

7.1

一般要求

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30

7.2

閥體上的標(biāo)記

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30

7.3

標(biāo)牌上的標(biāo)志

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31

7.4

其他標(biāo)記

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31

8

包裝和儲(chǔ)運(yùn)

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31

附錄A(規(guī)范性)焊接要求焊接要求

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32

附錄B(資料性)閥門(mén)主要零部件金屬材料推薦牌號(hào)

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34

附錄C(資料性)閥體加長(zhǎng)頸推薦最小長(zhǎng)度

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35

附錄D(資料性)氣動(dòng)控制閥泄漏率系數(shù)

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36

附錄E(資料性)液氫溫度與壓力對(duì)應(yīng)表

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37

參考文獻(xiàn)

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38

GB/T45027—2024

前言

本文件按照GB/T1.1—2020《標(biāo)準(zhǔn)化工作導(dǎo)則第1部分:標(biāo)準(zhǔn)化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)

定起草。

請(qǐng)注意本文件的某些內(nèi)容可能涉及專(zhuān)利。本文件的發(fā)布機(jī)構(gòu)不承擔(dān)識(shí)別專(zhuān)利的責(zé)任。

本文件由全國(guó)氫能標(biāo)準(zhǔn)化技術(shù)委員會(huì)(SAC/TC309)和全國(guó)宇航技術(shù)及其應(yīng)用標(biāo)準(zhǔn)化技術(shù)委員會(huì)

(SAC/TC425)共同提出并歸口。

本文件起草單位:北京航天動(dòng)力研究所、北京航天石化技術(shù)裝備工程有限公司、北京航化節(jié)能環(huán)保

技術(shù)有限公司、國(guó)家市場(chǎng)監(jiān)督管理總局、中國(guó)標(biāo)準(zhǔn)化研究院、空氣化工產(chǎn)品(中國(guó))投資有限公司、上海市

氣體工業(yè)協(xié)會(huì)、蘇州紐威閥門(mén)股份有限公司、上海瑞控閥門(mén)有限公司、北京航天雷特機(jī)電工程有限公

司、重慶市特種設(shè)備檢測(cè)研究院、雷舸流體科技(上海)有限公司、薩姆森控制設(shè)備(中國(guó))有限公

司、特瑞斯能源裝備股份有限公司、埃邁流體技術(shù)(上海)有限公司、廣西鑫晨特種設(shè)備檢測(cè)有限公

司、四川成都空分配套閥門(mén)有限公司。

本文件主要起草人:靳偉、吳玉珍、許健、秦先勇、楊燕梅、王春景、杜利鋒、周偉明、周桂林、

周魯立、戴賢波、滕磊軍、邱勇軍、曹廣濱、吳瑛、吳幫成、王悅萍、熊運(yùn)華、陳銳。

GB/T45027—2024

液氫閥門(mén)通用規(guī)范

警示:本文件不涉及與液氫閥門(mén)生產(chǎn)、應(yīng)用有關(guān)的所有安全問(wèn)題。在使用本文件前,使用者有責(zé)任

采取適當(dāng)?shù)陌踩?、健康和保護(hù)措施,明確其適用范圍,并保證符合國(guó)家有關(guān)法律法規(guī)、強(qiáng)制性國(guó)家標(biāo)準(zhǔn)

的規(guī)定。

1范圍

本文件規(guī)定了液氫用閥門(mén)(以下簡(jiǎn)稱(chēng)“閥門(mén)”)的技術(shù)要求、試驗(yàn)方法、檢驗(yàn)規(guī)則、標(biāo)志、包裝和

儲(chǔ)運(yùn)要求。

本文件適用于公稱(chēng)壓力不大于PN160,壓力等級(jí)不大于Class900,采用真空夾套絕熱措施和焊接連

接的液氫用截止閥、止回閥、球閥、氣動(dòng)控制閥和易熔切斷型緊急切斷閥。

2規(guī)范性引用文件

下列文件中的內(nèi)容通過(guò)文中的規(guī)范性引用而構(gòu)成本文件必不可少的條款。其中,注日期的引用文

件,僅該日期對(duì)應(yīng)的版本適用于本文件;不注日期的引用文件,其最新版本(包括所有的修改單)適用

于本文件。

GB/T150.4壓力容器第4部分:制造、檢驗(yàn)和驗(yàn)收

GB/T228.1金屬材料拉伸試驗(yàn)第1部分:室溫試驗(yàn)方法

GB/T229金屬材料夏比擺錘沖擊試驗(yàn)方法

GB/T1954鉻鎳奧氏體不銹鋼焊縫鐵素體含量測(cè)量方法

GB/T2423.5環(huán)境試驗(yàn)第2部分:試驗(yàn)方法試驗(yàn)Ea和導(dǎo)則:沖擊

GB/T2423.10環(huán)境試驗(yàn)

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